Home / 269,194.50-371,488.43-156,082.86

Finding the Fourth Proportional to 269,194.50, 371,488.43 and 156,082.86

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Solution

The fourth proportional to 269,194.50, 371,488.43 and 156,082.86 is: 215,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,194.50 : 371,488.43 = 156,082.86 : x
  2. Step 2: Convert to fraction form
    269,194.50/371,488.43 = 156,082.86/x
  3. Step 3: Cross multiply
    269,194.50x = 371,488.43 × 156,082.86
  4. Step 4: Simplify right side
    269,194.50x = 57,982,975,830.90
  5. Step 5: Solve for x
    x = 57,982,975,830.90/269,194.50
  6. Step 6: Final answer
    x = 215,394.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.